Senior Tax Accountant

PharmaEssentia U.S.A.
Burlington, MA
The Company:
It’s not often you get the chance to make a real impact on the lives of others, while expanding your own possibilities. You’ll find that rare opportunity at PharmaEssentia USA. Join us, and let’s transform lives, together.
PharmaEssentia USA Corporation is a rapidly growing biopharmaceutical innovator. We are leveraging deep expertise and proven scientific principles to deliver effective new biologics for challenging diseases in the areas of hematology and oncology, with one product approved in Europe and a diversifying pipeline. We believe in the potential to improve both health and quality of life for patients with limited options today through the combination of rigorous research and innovative thinking.
Founded in 2003 by a team of Taiwanese-American executives and renowned scientists from U.S. biotechnology and pharmaceutical companies, today we are listed on the Taipei Exchange (6446) and are expanding our global presence with operations in the U.S., Japan, and China, along with a world-class biologics production facility in Taichung.

Position Overview:
We are seeking an experienced Senior Tax Accountant to support and manage U.S. corporate tax compliance, reporting, and planning activities. This role will work closely with the Senior Tax Manager, cross-functional internal teams, and external tax consultants to ensure accurate and timely tax filings while supporting strategic tax initiatives.

Key Responsibilities:
  • Review U.S. federal (Form 1120), state income tax returns, quarterly estimates, and income tax provisions prepared by external consultants; ensure timely filings and payments
  • Manage the tax calendar and monitor state and local tax portals to ensure ongoing compliance
  • Prepare and file state and local indirect tax returns
  • Oversee Form 1099 filings and related documentation
  • Perform monthly tax account reconciliations and support tax related month-end closing
  • Assist with tax research and planning initiatives and identify tax-planning opportunities; prepare technical analyses and supporting documentation
  • Assist with quarterly and annual intercompany services charge workpapers as part of transfer pricing compliance
  • Research and respond to federal and state tax notices
  • Gather and manage tax data, collaborate cross-functionally, and coordinate with affiliated companies on tax compliance, provisions, and other related projects
  • Maintain quality standards, internal controls, and compliance with applicable U.S. tax laws and regulations across all tax processes
  • Support special tax projects, initiatives, and other tax-related matters as needed
Requirements:
  • Bachelor’s degree in Accounting, Finance, or a related field, CPA preferred
  • 5+ years of progressive experience in U.S. corporate tax (Form 1120), with a minimum of 2 years in public accounting
  • Strong tax research capabilities with a problem-solving mindset
  • Superior attention to detail with strong organizational, analytical, and planning skills
  • Positive attitude with the ability to collaborate effectively in a cross-functional environment
  • Ability to adapt to change, manage multiple priorities and projects, and meet deadlines in a fast-paced environment
The expected salary range for this position based on greater Boston, MA location is $90,000-$110,000. Actual salary pay will be based on multiple factors, including geographic location, experience, qualifications, and other job-related factors permitted by law.

Benefits of working with our team:
PharmaEssentia USA strives every day to improve the lives of patients as well as our employees. As a valued member of PharmaEssentia USA, you will enjoy the following benefits:
  • Comprehensive medical coverage
  • Dental and vision coverage
  • Generous paid time-off
  • 401(k) retirement plan with competitive company match
  • Medical & Dependent Care Flexible Spending Account
  • Up to $150 monthly cell phone reimbursement
  • Employee Assistance Program
  • Free parking
EEO Statement
At PharmaEssentia USA, we are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants without regard to race, color, religion, sex, pregnancy (including childbirth and related medical conditions), national origin, age, physical and mental disability, marital status, sexual orientation, gender identity, gender expression, genetic information (including characteristics and testing), military and veteran status, and any other characteristic protected by applicable law.

PharmaEssentia USA believes that diversity and inclusion among our team are critical to our success as a global company, and we seek to recruit, develop and retain the most talented people from a diverse candidate pool. PharmaEssentia does not accept unsolicited agency resumes. Staffing agencies should not send resumes to our HR team or to any PharmaEssentia employees. PharmaEssentia is not responsible for any fees related to unsolicited resumes from staffing agencies.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

At PharmaEssentia, our goal is to treat as many people with cancer as possible. That means challenging the status quo with better science that leads to better lives. By joining our team, you will not only expand your own possibilities, but you will contribute to expanding options for people with cancer.

Posted 2026-02-19

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